Ethyl 3-amino-4-(difluoromethyl)-2-iodopyridine-6-carboxylate
4-Chloro-3-(difluoromethyl)-6-hydroxypyridine-2-carboxylic acid
4-(Difluoromethyl)-2,3-dimethoxypyridine-6-methanol
5-Chloro-2-mercapto-4-(trifluoromethyl)pyridine
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